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Finding the Fourth Proportional to 16,651,505.14, 24,978,970.54 and 6,285,455.74

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Solution

The fourth proportional to 16,651,505.14, 24,978,970.54 and 6,285,455.74 is: 9,428,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651,505.14 : 24,978,970.54 = 6,285,455.74 : x
  2. Step 2: Convert to fraction form
    16,651,505.14/24,978,970.54 = 6,285,455.74/x
  3. Step 3: Cross multiply
    16,651,505.14x = 24,978,970.54 × 6,285,455.74
  4. Step 4: Simplify right side
    16,651,505.14x = 157,004,213,759,933.91
  5. Step 5: Solve for x
    x = 157,004,213,759,933.91/16,651,505.14
  6. Step 6: Final answer
    x = 9,428,830.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.